What is the atomic number of carbon?
Correct!
Wrong!
The atomic number of carbon is 6, which means it has 6 protons in its nucleus.
What is the most common form of carbon found in nature?
Correct!
Wrong!
Graphite is the most common and stable form of carbon found in nature, used in pencils and as a lubricant.
Which element is known for having the highest electronegativity?
Correct!
Wrong!
Fluorine has the highest electronegativity of all elements, which is a measure of an atom’s ability to attract electrons.
What is the pH of a neutral solution at 25°C?
Correct!
Wrong!
The pH of a neutral solution, such as pure water, is 7 at 25°C, indicating that the concentration of hydrogen ions (H⁺) is equal to that of hydroxide ions (OH⁻).
Which of the following is a strong acid?
Correct!
Wrong!
Hydrochloric acid (HCl) is a strong acid because it completely dissociates in water, releasing a high concentration of hydrogen ions.